Sampling point | Concentration Fe | In ppm Cr | Pb | V | Ni | V/Ni |
NwataA | 363.37 ± 4.7 | 2.18 ± 0.03 | 1.75 ± 0.04 | 0.08 ± 0.02 | 1.19 ± 0.02 | 0.07 |
NwataB | 857.2 ± 9.6 | 4.2 ± 0.03 | 1.68 ± 0.03 | 0.06 ± 0.01 | 1.1 ± 0.02 | 0.05 |
Nwata3’ | 2112.8 ± 6.4 | 8.74 ± 0.14 | 5.85 ± 0.08 | 0.13 ± 0.01 | 2.02 ± 0.01 | 0.06 |
Egeyaro | 948.27 ± 6.9 | 4.23 ± 0.08 | 10.87 ± 0.04 | 0.14 ± 0.01 | 2.08 ± 0.02 | 0.07 |
Ochani | 989.17 ± 9.6 | 3.73 ± 0.05 | 3.68 ± 0.03 | 0.16 ± 0.01 | 2.21 ± 0.02 | 0.04 |